[Instrument for the dilatation of the heart in the treatment of mega-esophagus].
D001450:Ballistocardiography / Q000295:instrumentation*; D004931:Esophageal Achalasia / Q000628:therapy*; D004935:Esophageal Diseases / Q000628:therapy*; D006801:Humans; D008722:Methods
Instrumento dilatador da cárdia para tratamento do megaesôfago.